Buggy code:
public class L2pNodeLauncher { private static final L2pLogger logger = L2pLogger . getInstance ( L2pNodeLauncher . class . getName ( ) ) ; private static final String DEFAULT_SERVICE_DIRECTORY = ".//service//" ; private CommandPrompt commandPrompt ; private static List < Connector > connectors = new ArrayList < Connector > ( ) ; private boolean bFinished = false ; public boolean isFinished ( ) { } private PastryNodeImpl node ; public PastryNodeImpl getNode ( ) { } private UserAgent currentUser ; public String getEnvelope ( String id ) throws ArtifactNotFoundException , StorageException , SerializationException , NumberFormatException { } public Object [ ] findAgent ( String id ) throws AgentNotKnownException { } public Object [ ] findService ( String serviceNameVersion ) throws AgentNotKnownException { } public void shutdown ( ) { } private Hashtable < String , String > loadPassphrases ( String filename ) { } public void uploadStartupDirectory ( String directory ) { } public void uploadStartupDirectory ( ) { } public void startHttpConnector ( ) { } public void startWebConnector ( ) { } public void startConnector ( String connectorClass ) { } public void stopHttpConnector ( ) { } public void stopWebConnector ( ) { } public void stopConnector ( String connectorClass ) { } private Connector loadConnector ( String classname ) throws ClassNotFoundException , IllegalAccessException , InstantiationException { } public boolean registerUserAgent ( String id , String passphrase ) { } public void registerUserAgent ( UserAgent agent ) throws AgentAlreadyRegisteredException , AgentException , L2pSecurityException { } public void registerUserAgent ( UserAgent agent , String passphrase ) throws AgentException , L2pSecurityException { } public void unregisterCurrentAgent ( ) { } public Serializable invoke ( String serviceIdentifier , String serviceMethod , String parameters ) throws L2pServiceException { } private Serializable invoke ( String serviceIdentifier , String serviceMethod , Serializable ... parameters ) throws L2pServiceException { } public ListMethodsContent getServiceMethods ( String serviceNameVersion ) throws AgentNotKnownException , TimeoutException , EncodingFailedException , L2pSecurityException , SerializationException , InterruptedException { } public String startService ( String serviceNameVersion ) throws L2pServiceException { } public ServiceAgent startServiceXml ( String file , String passphrase ) throws Exception { } public void startService ( String serviceNameVersion , String agentPass ) throws AgentAlreadyRegisteredException , AgentNotKnownException , AgentException , L2pSecurityException , CryptoException { ServiceAgent sa = null ; ServiceNameVersion service = ServiceNameVersion . fromString ( serviceNameVersion ) ; if ( ( service . getVersion ( ) ) != null ) { try { sa = node . getServiceAgent ( service ) ; } catch ( Exception e ) { L2pNodeLauncher . logger . info ( ( ( "Can't<seq2seq4repair_space>get<seq2seq4repair_space>service<seq2seq4repair_space>agent<seq2seq4repair_space>for<seq2seq4repair_space>" + serviceNameVersion ) + ".<seq2seq4repair_space>Generating<seq2seq4repair_space>new<seq2seq4repair_space>instance..." ) ) ; sa = ServiceAgent . createServiceAgent ( ServiceNameVersion . fromString ( serviceNameVersion ) , agentPass ) ; } sa . unlockPrivateKey ( agentPass ) ; startService ( sa ) ; } else { <START_BUG> L2pNodeLauncher . printMessage ( "You<seq2seq4repair_space>must<seq2seq4repair_space>specify<seq2seq4repair_space>an<seq2seq4repair_space>exact<seq2seq4repair_space>version<seq2seq4repair_space>of<seq2seq4repair_space>the<seq2seq4repair_space>service<seq2seq4repair_space>you<seq2seq4repair_space>want<seq2seq4repair_space>to<seq2seq4repair_space>start." ) ; <END_BUG> } } public void startService ( Agent serviceAgent ) throws AgentAlreadyRegisteredException , AgentException , L2pSecurityException { } public void stopService ( String serviceNameVersion ) throws AgentNotKnownException { } public Agent loadAgentFromXml ( String filename ) throws AgentException { } public void unlockAgent ( PassphraseAgent agent , String passphrase ) throws L2pSecurityException { } public void interactive ( ) { } public NodeInformation getLocalNodeInfo ( ) throws CryptoException { } public String getNetInfo ( ) { } public String getNetworkServices ( ) { } private L2pNodeLauncher ( int port , String bootstrap , STORAGE_MODE storageMode , boolean monitoringObserver , L2pClassManager cl , Long nodeIdSeed ) { } private void start ( ) throws NodeException { } private static void printMessage ( String message ) { } private static void printWarning ( String message ) { } private static void printError ( String message ) { } public static L2pNodeLauncher launchSingle ( Iterable < String > args ) throws NodeException { } public static L2pNodeLauncher launchSingle ( int port , String bootstrap , STORAGE_MODE storageMode , boolean observer , String sLogDir , Iterable < String > serviceDirectories , Long nodeIdSeed , Iterable < String > commands ) throws NodeException { } public static void printHelp ( String message ) { } public static void printHelp ( ) { } public static void main ( String [ ] argv ) throws NodeException , EncodingFailedException , MalformedXMLException , L2pSecurityException , SerializationException , IOException , InterruptedException { } }

Fix:
L2pNodeLauncher . printError ( "You<seq2seq4repair_space>must<seq2seq4repair_space>specify<seq2seq4repair_space>an<seq2seq4repair_space>exact<seq2seq4repair_space>version<seq2seq4repair_space>of<seq2seq4repair_space>the<seq2seq4repair_space>service<seq2seq4repair_space>you<seq2seq4repair_space>want<seq2seq4repair_space>to<seq2seq4repair_space>start." ) ;